從台灣上市/上櫃電子產業804家公司的實證分析中，本論文發現產品組合多寡並不顯著影響公司的年營收成長率；產品組合數量的增加對稅前淨利年成長以及股價年化報酬率是正向顯著的；而產品組合數越多時對風險係數Beta呈現負顯著關係。透過了解產品組合數量對公司營運績效及風險評估提供未來公司對產品組合數的初步策略設定，例如:追求風險相對穩定及增加獲利的公司，可以設法提升其產品組合數量。;Company management used product development and product portfolio strategies to achieve market leadership or maintain the competitiveness of company, but the effects of product diversification strategies vary from company to company. The purpose of this study was to understand the correlation between the number of product portfolios and the operating performance and beta of Taiwanese electronics companies.
Since the addition of new products required to use more resources, and the formulation of product portfolios tested the decision-making of company′s management. The number of product portfolios were not traditionally thought that the more the better.
This research mainly used the company′s product portfolio, revenue growth rate, pre-tax net profit growth rate, stock price and beta of the "TEJ", including the Taiwanese electronics companies from 2014 to 2020 as research data. Using a fixed-effects model, studied whether the number of a company′s product portfolio has an impact on the company′s own operations.
From the empirical strategy of 804 companies in Taiwan′s electronics industry, this paper found that the number of product portfolios did not significantly affect the company′s revenue growth rate; the increase in the number of product portfolios had an impact on pre-tax net profit growth rate and the annualized return of stock price and these were positive and significant; while the greater the number of product portfolios, there was a negatively significant relationship with the beta.
By understanding the number of product portfolios, the company′s operational performance and risk could provide the company′s preliminary strategies setting for the number of product portfolios in the future. For example, companies that pursued relatively stable risks and increase profits could try to increase the number of their product portfolios.
